Developed and marketed by our independent sister company, Sensaphonics Japan, j-phonic K2 earphones are dual-driver, universal-fit earphones with a wide range of available options. These IEMs are available in two sound signatures, and with a wide range of options. The K2-s, for live stage monitoring, has the same flat response and reference-quality sound signature as our custom 2MAX and 2X-S...

“T-PEOS is known for their creativity and at times unique sound. They have truly been pioneers in the hybrid market. The H-150 marks their first hybrid with a combination of dual dynamic and single balance armature drivers. This combination provides the listener with a unique listening experience and something that is a touch different than many other hybrids on the market. ...” --faithguy19

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PREAMBLE
SWP Shinwoo (http://swpshinwoo.com/) is a Korean electronics company founded in 1986 who started developing earphones in 2012, changed their company name to T-Peos in 2013, and at the same time launched their first 3 way hybrid IEMs. Their focus is on quality...” --Brooko

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About myself: http://www.head-fi.org/t/674373/story-of-a-new-reviewer-kimvictor
So, I'm used to reviewing more high end things, and I don't have much experience with lower end iems. However, when I bought the T-PEOS H-200, I was given a B-100. I was too busy with H-200 till recently, when I tried the B-100. I was surprised, in a good way. So here comes my review:
I'll...” --kimvictor

Friendly to any genre, easy on the ears. The D-200 series by T-PEOS boasts of lightweight cables that are flat and thin for optimal comfort. For extra convenience, there's also a click button mic to pick up your calls with, or to play and pause your music. There's a look for everyone.

“The Korea based T-PEOS surprised the IEM world with their hybrid IEM a few years ago and still continues to push for more innovative design. As the name suggested, the H-100J is related to T-PEOS’s original flagship hybrid, the T-100. However, the T-100J isn’t meant to be a continuance but rather a rebalance, in order to appeal to those who do not like the V-shaped sound of the original...” --ClieOS